Erin Andrews — who regained the 10 pounds she lost during her turn on “Dancing With the Stars” — was overheard “talking diet tips” with gym king David Barton at the French Connection party at Soho House in Los Angeles.

Barton is opening a 30,000-square-foot gym in West Hollywood. Also at the event were newly single Jamie-Lynn Sigler, who caught the eye of Olympic gold medalist Evan Lysacek, “Entourage” executive producer Rob Weiss and “The Hills” star Lo Bosworth.